﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace CardControlLibrary
{
    public partial class CustomTreeView : System.Windows.Forms.TreeView
    {

        private Font tagFont = new Font("Helvetica", 8, FontStyle.Bold);


        private Rectangle NodeBounds(TreeNode node)
        {
            // Set the return value to the normal node bounds.
            Rectangle bounds = node.Bounds;
            if (node.Tag != null)
            {
                // Retrieve a Graphics object from the TreeView handle
                // and use it to calculate the display width of the tag.
                Graphics g = this.CreateGraphics();
                int tagWidth = (int)g.MeasureString
                    (node.Tag.ToString(), tagFont).Width + 6;

                // Adjust the node bounds using the calculated value.
                bounds.Offset(tagWidth / 2, 0);
                bounds = Rectangle.Inflate(bounds, tagWidth / 2, 0);
                g.Dispose();
            }

            return bounds;

        }


        public CustomTreeView() : base() {
            this.DrawMode = TreeViewDrawMode.OwnerDrawAll;
        }

        
        protected override void OnPaint(PaintEventArgs e)
        {
            
            base.OnPrint(e);
           
        }
         

        protected override void OnDrawNode(DrawTreeNodeEventArgs e)
        {
            // Draw the background and node text for a selected node.
            if ((e.State & TreeNodeStates.Selected) != 0)
            {
                // Draw the background of the selected node. The NodeBounds
                // method makes the highlight rectangle large enough to
                // include the text of a node tag, if one is present.
                e.Graphics.FillRectangle(Brushes.Green, NodeBounds(e.Node));

                // Retrieve the node font. If the node font has not been set,
                // use the TreeView font.
                Font nodeFont = e.Node.NodeFont;
                //if (nodeFont == null) nodeFont = ((TreeView)sender).Font;

                // Draw the node text.
                e.Graphics.DrawString(e.Node.Text, nodeFont, Brushes.White,
                    Rectangle.Inflate(e.Bounds, 2, 0));
            }

            // Use the default background and node text.
            else
            {
                e.DrawDefault = true;
            }

            // If a node tag is present, draw its string representation 
            // to the right of the label text.
            if (e.Node.Tag != null)
            {
                e.Graphics.DrawString(e.Node.Tag.ToString(), tagFont,
                    Brushes.Yellow, e.Bounds.Right + 2, e.Bounds.Top);
            }

            // If the node has focus, draw the focus rectangle large, making
            // it large enough to include the text of the node tag, if present.
            if ((e.State & TreeNodeStates.Focused) != 0)
            {
                using (Pen focusPen = new Pen(Color.Black))
                {
                    focusPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
                    Rectangle focusBounds = NodeBounds(e.Node);
                    focusBounds.Size = new Size(focusBounds.Width - 1,
                    focusBounds.Height - 1);
                    e.Graphics.DrawRectangle(focusPen, focusBounds);
                }
            }
        }

        protected override void OnPaintBackground(PaintEventArgs pevent)
        {
            base.OnPaintBackground(pevent);
        }

        private const int WM_PAINT = 0x000F;

        protected override void WndProc(ref Message m)
        {
            if (m.Msg == WM_PAINT)
            {
                Graphics graphics = Graphics.FromHwnd(this.Handle);
                PaintEventArgs pe = new PaintEventArgs(graphics, new Rectangle(0, 0, this.Width, this.Height));
               
                
                OnPaint(pe);
                
            }
            base.WndProc(ref m);

        }
        
    }

    public class TreeNodeEx : System.Windows.Forms.TreeNode
    {
        public TreeNodeEx(string label, CardControl cc) : base(label)
        {
            m_Card = cc;
        }
        public CardControl m_Card
        {
            get;
            set;
        }

       
      
    }
}